Juice-heater.



H. B. BRADFQRDQLYW. F. SELLERS.

v JUICE HEATER.

APPLLCATLoN FILED ocT.14. 1915.

Patented oct. 31,1916.

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@www @Mm/m7( H. B. BRADFORD & W. F. SELLERS.

JUICE HEATER. APPLlcATloN F1LED'ocT.14,1915.

Patented Oct. 31, 1916.

2 SHFFTS-SHEET 2 ummm UNITED sra'ras PATENT N' orare HENRY B. BRADFORD AND WILLIAM F. SELLERSJOF .EDGEMOOR, DELAWARE, ASSIGN- ORS TO EDGE. MOOR IRON COMPANY, OF EDGEMOOR, DELAWARE, A CORPORATION O F DELAWARE.

'JUICE-HEATER.

Applicatimtiea october 14,1915.` serial No. 55,791.

F- To all 'whom it may concern:

drawings, .which form apart thereof.

Our present invention relates to heat interchanging apparatus, and particularly to a heat linterchanging device .especially adapted .for use as a julce heater 1n sugar making and forzlike purposes in which the juice to be heated, or other fluid acted upon,

' is caused to ow through parallel groups of traction of parts `changes, and by provisions 4made for clean- .ing the apparatus from time to time when ytubes back'and forth across a chamber con-` taining steam for heating the juice, or other fluid foiacting ing through the tubes.

`The general object vof ourhinventionis to provide a simple and effective device of the kind specified, and our invention is characterized by the provisions -made Jfor accommodating the relative expansion land condue f to temperature this is necessary.

The various features of novelty which l characterize our ,invention are pointed out with particularity in the claims annexed to and forming a part of thisV specification.

For a better understanding. of the inven` l tion, however, and the advantages pos- .sessed .by it, reference should be had tothe accompanying drawings,` andl descriptive matter in which we have illustrated and described a preferred embodiment of our invention.

Of the drawings: Figure l is a longitudinal sectional elevation taken on the line 1-1 of Fig. 3; Fig. 2 is a developed section of a portion of the apparatus, the section being taken on the curved line 2 2 `of Fig. 4; Fig. 3 is a left hand end elevation of the apparatus; Fig. 4 is a section taken onv the line 4.-,4 of Fig. 1 and Fig. 5 is a section taken Y on the line 5 5 'of Fig. l.

The device shown in the drawings is primarily devised for use as a juice heater in sugar making. The device comprises a cylindrical casing A closed at one end by the Specicaton of Letters Patent.

thermally on Athe fluid pass' Patented Oct. 31, 1916.

chambered header B andA at the other end by the cover or cylinder head C. Steam for heating the juice is admitted to the interlor of the casing A through the steam inlet A and water of condensation escapes through the outlet A2.

- .The chambered header B is radially divided into sector shaped vchambers B to B9 inclusive., VPhe chamber B which forms the inlet chamber for the juice to be heated, and the chamber B9 which .forms the outletI chamber, are each vshown as half the size of the other chambers B2 to B8 inclusive? B1-0 represent removable covers closing the otherwise open front ends of the chambers.

B and B9, and Burepresents the removable front covers for the chambers B2 toy B8 inclusive. The covers B10 and Buareformed with Suaening ribs B12, Vand the C'hambered i header B is formed onv its`inner side `with stlfi'ening ribs B13: l The chambers B to B9 are connected by tubes D to sector shaped headersE to Ef3 l l through the headers and chambers B2,- E2,

B3, E3, B4, E4, B5, E5, B6, E, B7, E7, B8 and ES, until it reaches the outlet chamber B.

.The manner in which the chambers are connected to permit this flow is indicated in F1g. 2.` The tubes D may berexpanded at their ends or otherwise rigidly secured to the front header B` and to the sectional rear headers E--E8.v

To accommodate the relative expansion andl contraction of the groups of tubes connected to the different sectional headers E to E8, the latter are so supported that theyl may move relatively to one another in a direction parallel to the length of the tubes. Supporting and spacing means forthe relatively movable sectionalheaders E to Es comprise'an inner ring or tire F, an outer ring or tire F. and radial connecting bolts F2. Each of the sectional headers .E, 4E2 etc., is formed on its inner side with a cen-4 tral radial rib vE10 and the inner and outer tire members F and F are engaged partly Joy the body and partly by the ends of the central rib E10 of each sectional header., 'The inclusive. The juice to beI heated enters the chamber B Vand passes from that cham-- the hand hole covers E16.

tire members F and F are held against dis.

placement with respect to the sectional headers partly by the bolts F2 which, as shown best in Fig. 2, are adapted to engage the sectional headers to limit relative displacement in one direction, and partly by the lugs E11 formedl at the ends of the radial ribs E10 which engage the tire members to limit displacement in the opposite direction. The movement of headers E', E2, etc., relative to the tires permitted between the engagement of the lugs E11 with the edges of the tires on the one hand, and the engage- Ament of the bolts F2 with the sectional headers on the other hand is ample' to accommodate the expansion and contraction occurring in normal operation. The outer tire member F seats onlpads a provided at the bottom' of the casing A.

Each of the sectional headers E t0 E8 is formedwith a removable head E15 and each head is formed with a hand hole and cover E1G therefor. The cover C at the righthand end of the casing A is formed with'a manhole C, and in practice we so proportionv the parts that a workman may enter the casing A through the manhole C and cleanout the chambers E to E8 after removing This makes the cleaning out of the chambers E to EB a comparatively simple and easy operation since it is a simple matter to remove-and replace and make tight the manhole cover C and the hand hole covers E16, whereas the removal and replacement of the head 'C-is a much more difficult operationl on account of the size of the head and the dificulty in making the large joint surface at its periphery steam tight under the maximum steam pressure maintainedwithin the casing A. The removal of the heads B10 and B11 to clean the different chambers B to B9 is, of

-chambered sectional` headers course, a comparatively simple and easy matter.

In the use of the device asa juice heater there is a tendency for the bulk of the dirt deposited in the headers to accumulate in the `header chambers B', B2, etc., and inthe E to E through which the juice to be heated first flows in its passage through the heater. IVith the construction described it is not necessary to disturb the chambers not needing cleaning to clean' those which do need cleaning. Inasmuch as the dierence inthe temperatureof different tubes connected to each of the chambered sectional headers EE8 is but a small fraction of the total diierence between the temperatures of the juice in chambers B and B9, the relative expansion and contraction of the different tubes connected to each of the headers E--E8 may readily betaken care of by the elasticity of the connected metallic parts.

The relative expansion and contraction of the tubes connected to the different sectional headers E to E8' is provided for very effec-v tively with the arrangement disclosed. Ad-

vantageously a normally closed wash water outlet B20 is provided at the ,bottom of the chamber B5. y

IVhile in accordance with the provisions of thestatutes we have illustrated and described the best form ofour invention now known to us, it will be apparent to those skilled in the art that changes can -b'e made in the form of our invention Without departing from its spirit, and that some feathe opposite ends of the tubes are connected,

said headers being formed with hand hole openings and covers for said openings.

2. In a device of the kind described, the combination with a casing, a chambered,I

header at one end thereof, tubes located within the casing and communicating with the chambers in /said header, a circular series of sectional headers to which the opposite ends ofthe tubes are connected, and spacing provisions for said sectional headers comprising an internal ring, an external ring, and bolts connecting said rings passing between the tubes connected to the differentv headers.

3. In a device of the kind described, the combination with a cylindrical casing of a chambered header at one end thereof formed with a circular series of chambers, tubes located within the casing and communicating with the chambers in said header, a lcir- 4cular series of sectional headers toV ywhich the opposite ends of the tubes are connected and provisions for maintaining said sec-.

tional headers in a predetermined spaced relation While permitting the headers to move in the direction of length of the tubes as the latter expand and contract.

4. In a device of the-kind described, the

combination with a casing of a chambered header at one Yend thereof formed with a circular series of chambers, a series of tube units through which said chambers are connected for a How in series therethrough, each of said units comprising one` group of tubes connected to one of said chambers and another group of tubes connected to another of said chambers and a sectional header lto which the opposite ends of both groups of yfor the sectional header ends of said units comprising a spider like structure, having radial arnis betweenivhioh the units are received.

5. In a device ofthe kind described, the

combination Witha casing of a ehannloered header at one end thereof formed with a circular series of chambers, tubes located within the casing and communicating With the chambers in said header, a circular series of sectional headers to which the opposite ends of the tubes are connected, each header being formed at its inner end With a radial rib, and spacing provisions for said 'sectional headers comprising an internal ring and an external ring engaged by the headers and the ends of the radial ribs thereof, boltsA connecting said rings passing/between the tubes-connected to the Vdifferent headers, said ribs being formed With portions adapted to engage the edges of said rings to' thereby limit the relative movement of the headers and rings.

HENRY E. BRADFORD. W. E. SELLERS. 

